🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.41 AU - 0.65 AU

Year: 135 Days

Day: 36.3 Hours

Environment

Temp: 203 °C

Axial Tilt: 101.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,479,184 km

• M1: 40,242 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.48 AU - 0.6 AU

Year: 139 Days

Day: 37.7 Hours

Environment

Temp: 237 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.04 AU - 1.24 AU

Year: 426 Days

Day: 27.4 Hours

Environment

Temp: 40 °C

Axial Tilt: 41 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 28,479,184 km

• M1: 562,937 km (0.079 R)
• M2: 676,631 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.99 AU - 1.39 AU

Year: 454 Days

Day: 15 Hours

Environment

Temp: 28 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,479,184 km

• M1: 158,723 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.59 AU - 2.07 AU

Year: 866 Days

Day: 21.3 Hours

Environment

Temp: -50 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.94 AU - 4.52 AU

Year: 3044 Days

Day: 25.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,479,184 km

• M1: 3,064,512 km (0.051 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.31 AU - 5.51 AU

Year: 4402 Days

Day: 34.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.95 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.6

Radius: 4.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 16.69 AU - 20.27 AU

Year: 27793 Days

Day: 24.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,479,184 km

• M1: 54,753 km (0.08 R)
• M2: 233,522 km (0.071 R)
• M3: 403,914 km (0.115 R)
• M4: 664,215 km (0.07 R)
• M5: 1,552,527 km (0.12 R)
• M6: 5,235,028 km (0.085 R)
• M7: 9,190,096 km (0.069 R)
• M8: 10,356,810 km (0.094 R)
• M9: 11,572,293 km (0.117 R)
• M10: 12,929,894 km (0.084 R)
• M11: 20,775,853 km (0.108 R)
• M12: 21,474,326 km (0.118 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 16,932 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit